
Syrer og baser kjemi 2?
Authored by BaseThird BaseThird
Chemistry
12th Grade
Used 4+ times

AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
24 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Følgende reaksjoner beskriver protolysen av svovelsyre.
H2SO4(aq) + H2O(l) HSO4-(aq) + H3O+(aq) HSO4-(aq) + H2O(aq) SO42-(aq) + H3O+(aq)
Hva er den korresponderende basen til HSO4-?
H2O (l)
H3O+(aq)
H2SO4(aq)
D SO42-(aq)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvilket av disse oksidene gir basisk løsning når det løses i vann?
K2O
Al2O3
CO2
SO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gitt at Ka = 3,0 · 10 -8 for likevekten
HOCl (aq) -> H + (aq) + OCl - (aq).
Hva blir Kb for likevekten
OCl - (aq) + H2O (l) -> HOCl (aq) + OH - (aq)?
3,3 · 10-7
3,0 · 10-8
3,0 · 106
3,3 · 107
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ved 20oC er Kw = 6,807 · 10 -15 (mol/L) 2 . Hva er pH i rent vann ved denne temperaturen?
6,667
6,920
7,000
7,084
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For reaksjonen under er likevektskonstanten mindre enn 1
C6H5COOH(aq) + CN-(aq) -> C6H5COO-(aq) + HCN(aq)
Hva er den sterkeste basen i denne likevekten?
C6H5COOH (aq)
CN- (aq)
C6H5COO - (aq)
HCN (aq)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvilken av disse svake syrene har den sterkeste korresponderende basen?
Eddiksyre,
Ka = 1,8 · 10-5 mol/L
Maursyre,
Ka = 1,8 · 10-4 mol/L
Hydrogenfluorid, Ka = 6,3 · 10-4 mol/L
Propansyre,
Ka = 1,3 · 10-5 mol/L
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvilken av disse syrene er den svakeste?
Askorbinsyre,
Ka = 8,0 · 10 -5 mol/L
Smørsyre,
Ka = 1,5 · 10 -5 mol/L
Borsyre,
Ka = 5,8 · 10 -10 mol/L
Blåsyre,
Ka = 4,9 · 10 -10 mol/L
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?
Similar Resources on Wayground
25 questions
Chemical Bonding
Quiz
•
6th - 12th Grade
20 questions
Protein1
Quiz
•
12th Grade
20 questions
ôn tập đơn chất HAlogen
Quiz
•
9th - 12th Grade
20 questions
Chemistry quiz
Quiz
•
9th - 12th Grade
20 questions
ÔN TẬP KIỂM TRA GIỮA KỲ 1 LỚP 12
Quiz
•
12th Grade
20 questions
Chemistry : Solutions
Quiz
•
12th Grade
20 questions
Sağlık ve Güvenlik İşaretleri
Quiz
•
12th Grade
20 questions
Crom và hợp chất của crom
Quiz
•
12th Grade
Popular Resources on Wayground
8 questions
Spartan Way - Classroom Responsible
Quiz
•
9th - 12th Grade
15 questions
Fractions on a Number Line
Quiz
•
3rd Grade
14 questions
Boundaries & Healthy Relationships
Lesson
•
6th - 8th Grade
20 questions
Equivalent Fractions
Quiz
•
3rd Grade
3 questions
Integrity and Your Health
Lesson
•
6th - 8th Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
9 questions
FOREST Perception
Lesson
•
KG
20 questions
Main Idea and Details
Quiz
•
5th Grade
Discover more resources for Chemistry
20 questions
Types of Chemical Reactions
Quiz
•
9th - 12th Grade
20 questions
momentum and impulse
Quiz
•
9th - 12th Grade
40 questions
Unit 3 (Part 1) Chemical Equations & Reactions Review Game
Quiz
•
8th - 12th Grade
35 questions
Types of Chemical Reactions
Quiz
•
9th - 12th Grade
12 questions
Gas Laws Practice
Quiz
•
10th - 12th Grade
10 questions
Exploring Solubility Curves
Interactive video
•
9th - 12th Grade
15 questions
Types of Reactions
Quiz
•
9th - 12th Grade
23 questions
Review Acids & Bases
Quiz
•
10th - 12th Grade